Home / 18,679,075.80-28,039,608.90-14,438,045.40

Finding the Fourth Proportional to 18,679,075.80, 28,039,608.90 and 14,438,045.40

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Solution

The fourth proportional to 18,679,075.80, 28,039,608.90 and 14,438,045.40 is: 21,673,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679,075.80 : 28,039,608.90 = 14,438,045.40 : x
  2. Step 2: Convert to fraction form
    18,679,075.80/28,039,608.90 = 14,438,045.40/x
  3. Step 3: Cross multiply
    18,679,075.80x = 28,039,608.90 × 14,438,045.40
  4. Step 4: Simplify right side
    18,679,075.80x = 404,837,146,296,444.06
  5. Step 5: Solve for x
    x = 404,837,146,296,444.06/18,679,075.80
  6. Step 6: Final answer
    x = 21,673,296.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.